The 2006 Yamaha YZ250 is a high-performance, liquid-cooled, two-stroke, reed valve inducted motorcycle renowned for its potent 249 cc engine and agile handling. Designed for motocross and off-road competition, this model benefits from Yamaha's extensive racing heritage and decades of development, offering a lightweight aluminum alloy frame and fully adjustable Kayaba suspension for precise control. Its potent two-stroke powerband, combined with hydraulic disc brakes and a 5-speed transmission, makes it a formidable machine for riders seeking peak performance on the track or trail.

This comprehensive factory service manual provides complete repair and maintenance information for the 2006 Yamaha YZ250. It covers all major systems, including engine overhauls, drivetrain, chassis, braking, and electrical components, with detailed step-by-step instructions for removal, installation, and rebuilds. The manual also includes routine maintenance procedures, troubleshooting guides for common issues, and identification of special tools required for various tasks. This essential resource is designed to help owners, mechanics, and technicians maintain the YZ250's peak performance and ensure its longevity.